1 /*
2  * (C) Copyright 2013 Atmel Corporation.
3  * Josh Wu <josh.wu@atmel.com>
4  *
5  * Configuation settings for the AT91SAM9N12-EK boards.
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #ifndef __AT91SAM9N12_CONFIG_H_
11 #define __AT91SAM9N12_CONFIG_H_
12 
13 /*
14  * SoC must be defined first, before hardware.h is included.
15  * In this case SoC is defined in boards.cfg.
16  */
17 #include <asm/hardware.h>
18 
19 #define CONFIG_SYS_TEXT_BASE		0x26f00000
20 
21 /* ARM asynchronous clock */
22 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
23 #define CONFIG_SYS_AT91_MAIN_CLOCK	16000000	/* main clock xtal */
24 
25 /* Misc CPU related */
26 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
27 #define CONFIG_SETUP_MEMORY_TAGS
28 #define CONFIG_INITRD_TAG
29 #define CONFIG_SKIP_LOWLEVEL_INIT
30 
31 /* general purpose I/O */
32 #define CONFIG_AT91_GPIO
33 
34 /* serial console */
35 #define CONFIG_ATMEL_USART
36 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
37 #define CONFIG_USART_ID			ATMEL_ID_SYS
38 #define CONFIG_BAUDRATE			115200
39 
40 /* LCD */
41 #define LCD_BPP				LCD_COLOR16
42 #define LCD_OUTPUT_BPP			24
43 #define CONFIG_LCD_LOGO
44 #define CONFIG_LCD_INFO
45 #define CONFIG_LCD_INFO_BELOW_LOGO
46 #define CONFIG_SYS_WHITE_ON_BLACK
47 #define CONFIG_ATMEL_HLCD
48 #define CONFIG_ATMEL_LCD_RGB565
49 
50 
51 /*
52  * BOOTP options
53  */
54 #define CONFIG_BOOTP_BOOTFILESIZE
55 #define CONFIG_BOOTP_BOOTPATH
56 #define CONFIG_BOOTP_GATEWAY
57 #define CONFIG_BOOTP_HOSTNAME
58 
59 /* NOR flash - no real flash on this board */
60 #define CONFIG_SYS_NO_FLASH
61 
62 /*
63  * Command line configuration.
64  */
65 #define CONFIG_CMD_NAND
66 
67 #define CONFIG_NR_DRAM_BANKS		1
68 #define CONFIG_SYS_SDRAM_BASE		0x20000000
69 #define CONFIG_SYS_SDRAM_SIZE		0x08000000
70 
71 /*
72  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
73  * leaving the correct space for initial global data structure above
74  * that address while providing maximum stack area below.
75  */
76 # define CONFIG_SYS_INIT_SP_ADDR \
77 	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
78 
79 /* DataFlash */
80 #ifdef CONFIG_CMD_SF
81 #define CONFIG_ATMEL_SPI
82 #define CONFIG_SF_DEFAULT_SPEED		30000000
83 #define CONFIG_ENV_SPI_MODE		SPI_MODE_3
84 #define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
85 #endif
86 
87 /* NAND flash */
88 #ifdef CONFIG_CMD_NAND
89 #define CONFIG_NAND_ATMEL
90 #define CONFIG_SYS_MAX_NAND_DEVICE	1
91 #define CONFIG_SYS_NAND_BASE		0x40000000
92 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
93 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
94 #define CONFIG_SYS_NAND_ENABLE_PIN	GPIO_PIN_PD(4)
95 #define CONFIG_SYS_NAND_READY_PIN	GPIO_PIN_PD(5)
96 
97 /* PMECC & PMERRLOC */
98 #define CONFIG_ATMEL_NAND_HWECC
99 #define CONFIG_ATMEL_NAND_HW_PMECC
100 #define CONFIG_PMECC_CAP		2
101 #define CONFIG_PMECC_SECTOR_SIZE	512
102 #define CONFIG_PMECC_INDEX_TABLE_OFFSET	0x8000
103 
104 #define CONFIG_CMD_NAND_TRIMFFS
105 
106 #endif
107 
108 #define CONFIG_MTD_PARTITIONS
109 #define CONFIG_MTD_DEVICE
110 #define CONFIG_CMD_MTDPARTS
111 #define MTDIDS_DEFAULT			"nand0=atmel_nand"
112 #define MTDPARTS_DEFAULT						\
113 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
114 	"256k(env),256k(env_redundant),256k(spare),"			\
115 	"512k(dtb),6M(kernel)ro,-(rootfs)"
116 
117 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
118 	"console=console=ttyS0,115200\0"                                \
119 	"mtdparts="MTDPARTS_DEFAULT"\0"					\
120 	"bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
121 	"bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
122 
123 /* MMC */
124 #ifdef CONFIG_CMD_MMC
125 #define CONFIG_GENERIC_MMC
126 #define CONFIG_GENERIC_ATMEL_MCI
127 #endif
128 
129 /* Ethernet */
130 #define CONFIG_KS8851_MLL
131 #define CONFIG_KS8851_MLL_BASEADDR	0x30000000 /* use NCS2 */
132 
133 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
134 
135 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
136 #define CONFIG_SYS_MEMTEST_END		0x26e00000
137 
138 /* USB host */
139 #ifdef CONFIG_CMD_USB
140 #define CONFIG_USB_ATMEL
141 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
142 #define CONFIG_USB_OHCI_NEW
143 #define CONFIG_SYS_USB_OHCI_CPU_INIT
144 #define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_BASE_OHCI
145 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9n12"
146 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	1
147 #endif
148 
149 #ifdef CONFIG_SYS_USE_SPIFLASH
150 
151 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
152 #define CONFIG_ENV_IS_IN_SPI_FLASH
153 #define CONFIG_ENV_OFFSET		0x5000
154 #define CONFIG_ENV_SIZE			0x3000
155 #define CONFIG_ENV_SECT_SIZE		0x1000
156 #define CONFIG_BOOTCOMMAND						\
157 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
158 	"sf probe 0; sf read 0x22000000 0x100000 0x300000; "		\
159 	"bootm 0x22000000"
160 
161 #elif defined(CONFIG_SYS_USE_NANDFLASH)
162 
163 /* bootstrap + u-boot + env + linux in nandflash */
164 #define CONFIG_ENV_IS_IN_NAND
165 #define CONFIG_ENV_OFFSET		0xc0000
166 #define CONFIG_ENV_OFFSET_REDUND	0x100000
167 #define CONFIG_ENV_SIZE			0x20000		/* 1 sector = 128 kB */
168 #define CONFIG_BOOTCOMMAND						\
169 	"setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"	\
170 	"nand read 0x21000000 0x180000 0x080000;"			\
171 	"nand read 0x22000000 0x200000 0x400000;"			\
172 	"bootm 0x22000000 - 0x21000000"
173 
174 #else /* CONFIG_SYS_USE_MMC */
175 
176 /* bootstrap + u-boot + env + linux in mmc */
177 
178 #ifdef CONFIG_ENV_IS_IN_MMC
179 /* Use raw reserved sectors to save environment */
180 #define CONFIG_ENV_OFFSET		0x2000
181 #define CONFIG_ENV_SIZE			0x1000
182 #define CONFIG_SYS_MMC_ENV_DEV		0
183 #else
184 /* Use file in FAT file to save environment */
185 #define CONFIG_ENV_IS_IN_FAT
186 #define CONFIG_FAT_WRITE
187 #define FAT_ENV_INTERFACE		"mmc"
188 #define FAT_ENV_FILE			"uboot.env"
189 #define FAT_ENV_DEVICE_AND_PART		"0"
190 #define CONFIG_ENV_SIZE			0x4000
191 #endif
192 
193 #define CONFIG_BOOTCOMMAND						\
194 	"setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};"	\
195 	"fatload mmc 0:1 0x21000000 dtb;"				\
196 	"fatload mmc 0:1 0x22000000 uImage;"				\
197 	"bootm 0x22000000 - 0x21000000"
198 
199 #endif
200 
201 #define CONFIG_SYS_CBSIZE	256
202 #define CONFIG_SYS_MAXARGS	16
203 #define CONFIG_SYS_LONGHELP
204 #define CONFIG_CMDLINE_EDITING
205 #define CONFIG_AUTO_COMPLETE
206 
207 /*
208  * Size of malloc() pool
209  */
210 #define CONFIG_SYS_MALLOC_LEN	(4 * 1024 * 1024)
211 
212 /* SPL */
213 #define CONFIG_SPL_FRAMEWORK
214 #define CONFIG_SPL_TEXT_BASE		0x300000
215 #define CONFIG_SPL_MAX_SIZE		0x6000
216 #define CONFIG_SPL_STACK		0x308000
217 
218 #define CONFIG_SPL_BSS_START_ADDR	0x20000000
219 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
220 #define CONFIG_SYS_SPL_MALLOC_START	0x20080000
221 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
222 
223 #define CONFIG_SPL_BOARD_INIT
224 #define CONFIG_SYS_MONITOR_LEN		(512 << 10)
225 
226 #define CONFIG_SYS_MASTER_CLOCK		132096000
227 #define CONFIG_SYS_AT91_PLLA		0x20953f03
228 #define CONFIG_SYS_MCKR			0x1301
229 #define CONFIG_SYS_MCKR_CSS		0x1302
230 
231 #ifdef CONFIG_SYS_USE_MMC
232 #define CONFIG_SPL_LDSCRIPT		arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
233 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
234 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
235 
236 #elif CONFIG_SYS_USE_NANDFLASH
237 #define CONFIG_SPL_NAND_DRIVERS
238 #define CONFIG_SPL_NAND_BASE
239 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x40000
240 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
241 #define CONFIG_SYS_NAND_PAGE_SIZE	0x800
242 #define CONFIG_SYS_NAND_PAGE_COUNT	64
243 #define CONFIG_SYS_NAND_OOBSIZE		64
244 #define CONFIG_SYS_NAND_BLOCK_SIZE	0x20000
245 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0x0
246 #define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER
247 
248 #elif CONFIG_SYS_USE_SPIFLASH
249 #define CONFIG_SPL_SPI_LOAD
250 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x8400
251 
252 #endif
253 
254 #endif
255